Corrective eyeglasses

Corrective lens for reducing eye fatigue in esophoric...

Corrective lens system and spectacles made therefrom

Cosmetic contact lens

Coupling and a coupling holder for spectacles frames

Coupling system for securing an eyeglass frame to a cap visor

Cover of a hinge for spectacles

Covert camera viewfinder or display having appearance of...

Covert camera viewfinder or display having appearance of...

Cross-spring-joint for side-pieces of spectacles

Curtain for shrouding welding operations

Cushioning mount for a lens in the rim of an ophthalmic...

Custom sunglass clip assembly

Customized progressive addition lenses

Customized vision correction method and business